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400G QSFP-DD LR4 10km
By C-LIGHT Marketing丨Oct 19, 2026
400G QSFP-DD LR4 10km modules bring 400G connectivity to single-mode links up to 10km, covering data center DCI, metro campus interconnect, and 5G transport.
QSFP28 100G/OTU4 ZR4 80km Optical Transceiver
By C-LIGHT Marketing丨Oct 15, 2026
100G QSFP28 ZR4 optical transceiver supports up to 80 km over single-mode fiber, featuring four LAN-WDM wavelengths and duplex LC connectivity.
QSFP28 100G/OTU4 XZR4 100km Optical Transceiver
By C-LIGHT Marketing丨Oct 14, 2026
C-LIGHT's CLOTU4QSFPXZR4 QSFP28 optical transceiver supports 100G/OTU4 ZR4 point-to-point links up to 100 km over single-mode fiber.
100G BiDi QSFP28 ER1 40km Optical Transceivers
By C-LIGHT Marketing丨Oct 13, 2026
C-LIGHT’s 100G BiDi QSFP28 ER1 transceiver supports 100GbE over up to 40 km of single-mode fiber, featuring simplex LC connectivity and PAM4 signaling.
Loopback Cable Testing on Equipment
By C-LIGHT Marketing丨Oct 12, 2026
400GBASE-DR4 loopback testing case on Huawei equipment, featuring Source Photonics transceiver identification, four-lane optical power readings, temperature, voltage, and bias current monitoring.
XGSPON OLT STICK connected to an XGSPON ONU STICK on a Cisco 2960 switch
By C-LIGHT Marketing丨Oct 11, 2026
Analyze XGS-PON OLT and ONU Stick deployment on Cisco Catalyst 2960X, including DDM optical power measurements, module thresholds, optical link budget, host compatibility, PON registration, and troubleshooting procedures.
100G BIDI ZR4 80km Transceiver
By C-LIGHT Marketing丨Oct 10, 2026
100G QSFP28 BIDI ZR4 delivers 100Gbps over a single fiber pair for up to 80km. It uses LAN-WDM EML transmitters and SOA+PIN receivers, consumes under 6.5W, and pairs as Side A/B modules.
800G OSFP SR8 Optical Transceiver Product Introduction
By C-LIGHT Marketing丨Oct 9, 2026
C-LIGHT 800G OSFP SR8 optical transceivers deliver 800Gbps connectivity with 850nm VCSEL technology and up to 100m reach over OM4 multimode fiber for AI data centers, HPC, and InfiniBand networks.
XGSPON OLT STICK Product Introduction and Applications
By C-LIGHT Marketing丨Oct 8, 2026
C-LIGHT XGS-PON OLT STICK integrates symmetrical 10G PON access into a compact SFP+ module for FTTH, FTTO, enterprise networks, and edge deployments.
800G 1DR4 500m OSFP-RHS Transceiver
By C-LIGHT Marketing丨Sep 14, 2026
800G 1DR4 500m OSFP-RHS is an 800Gbps Ethernet optical transceiver using EML and PIN PD technology, dual MPO-12/APC, 800GBASE-DR4, and an OSFP-RHS form factor.
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